Watch a replay of the Delta 4 NROL-47 launch

SpaceX could use its Starship vehicles to clear out space debris in Earth orbit, alongside the program’s more publicized purpose of ferrying people and cargo to the moon and Mars, a company executive said.

The nuclear power generator for NASA’s Perseverance rover has been installed on the spacecraft atop an Atlas 5 rocket at Cape Canaveral, and mission managers gave a green light Wednesday to continue preparations for the rover’s July 30 launch toward Mars.

China’s Haiyang 2B oceanography satellite, the follow-on to a space mission launched seven years ago, lifted off Wednesday from the country’s Taiyuan launch base aboard a Long March 4B booster.